Old Town Beer Exchange (Huntsville): Old Town Beer Exchange, or OTBX, is a craft beer and wine retailer in downtown Huntsville Alabama. Located inside the Arts and Entertainment District, open carry laws allow you to take your drink to go during certain hours and during festivals. Come out and taste from our 32 taps and 10 wines by the glass to discover your likes and dislikes, then get 32oz, 64oz of beer to go or a bottle of one of our fine wines.